$heigth:1280px;

header{
    height: 113px;
    .dcsishp{
    position: fixed;
    width: 100%;
    height: 108px;
    padding-bottom: 7px;
    background: #ffffff;
    z-index: 100;
    }
    
    .content{
        width: 1280px;
        margin: 0 auto;
    }
    nav{
        position: relative;
       
        top: 0;
        // width: 100%;
        height: 108px;
        background: #ffffff;
        padding-bottom: 7px;
        z-index: 2;
        .exchange{
            height: 18px;
            padding: 9px 14px;
            .exchange_left{
                width: 9px;
                height: 17px;
                float: left;
                color: black;
                i{
                    font-size:26px;
                }
            }
            .exchange_center{
                 position: absolute;
                 left: $heigth /2;
                 height: 16px; 
                 display: inline-block;
                .headline{
                   height: 100%;
                   text-align: center;
               }
                 .headline_hide{
                    display: none;
               }   
                .headline_show{
                   display: block;
               }  
               
           }
           .exchange_right{
                width: 26px;
                height: 26px;
                float: right;
                color: black;
                i{
                    font-size:26px;
                }
            }
        }
        .navigation{
            height: 49px;
            padding: 0px 63px;
            padding-top: 17px;
            padding-bottom: 17px;
            
            // padding-left: 63px;
            h1{
                margin-right: 27px;
                float: left;
            }
            .navigation_ul01{
                width: 550px;
                height: 100%;
                font-size: 12px;
                float: left;
                li{
                    &:hover a{
                        color: black;
                    }
                    float: left;
                    line-height: 34px;
                    padding-left:32px;
                    a{
                        display: inline-block;
                        line-height: 34px;
                    }
                    
                    ul{
                       position: absolute;
                       top:80px;
                       left: 0;
                       width: 1280px;
                       height: 480px;
                    //    border: 1px solid red;
                       // background: red;
                       padding-left: 140px;
                       padding-top: 20px;
                       background-color: #ffffff;
                       z-index: 1;
                        display: none;
                      dl{
                           width: 200px;
                            height: 100%;
                           float: left;
                    
                       }
                   }
                   &:hover ul{
                       display: block;
                   }
                }
            }
        }
        .navigation_ol01{
            // width: 383px;
            position: relative;
            height: 42px;
            float:right;
            input{
                // position: relative;
                width: 203px;
                height: 36px;
                 padding-left: 37px;
                background: url("/images/ser_03.jpg") no-repeat;
                background-size: 20px 19px;
                background-position: 10px center;
                border: 1px solid #d2d2d2;
                margin-right: 1px;
                color: #c5c4c3;
                outline: none;
            }
            #menuList{
                background: #333333;
                box-shadow: 0px 0px 10px #333333;
                color: #d2d2d2;
            }
            ul{
                position: absolute;
                background: #fff;
            }
            i{
                padding-left: 29px;
                color: #27251f;
                font-size: 17px;
                cursor: pointer;
            }
            #bao,#ren,#dingwei{
                color: #27251f;
            }
            #login-register{
                position: absolute;
                top: 20px;
                left: 40px;
                width: 300px;
                height: 238px;
                padding-top: 47px;
                display: none;
                text-align: center;
                background: #fff;
                .login-register-seond{
                    width: 260px;
                    height: 198px;
                    // text-align: center;
                    margin-left: 20px;
                    .topic{
                        height: 96px;
                        text-align: center;
                        .topic-content{
                            height: 66px;
                            p:nth-child{
                                height: 28px;
                                text-align: center;
                            }
                            p:nth-child{
                                line-height: 20px;
                                font-size: 12px;
                            }
                        }
                    }
                    .btn{
                        height: 102px;
                        input{
                            height: 45px;
                            border: 0;
                            outline: 0;
                            background: #27251f;
                            color: #fff;
                            &:nth-child(1){
                                margin-bottom: 10px;
                            }
                            &:nth-child(2){
                                border:1px solid #27251f;
                                background: #fff;
                                color: #27251f;
                                // margin-top: 10px;
                            }
                        }
                    }
                    #login_in{
                        // border: 1px solid #000;
                        height: 102px;
                        width: 100%;
                        p{
                            font-size: 15px;
                            float: left;
                            a{
                                float: left;
                                font-size: 15px;
                                color: #000;
                            }
                        }
                    }
                }
            }
        }
    }
    
}